Mother Ass F
It's like saying, "Fuck Me", but usually referring to a fucked up situation and not yourself, even if you screwed up.
Trying to open a jar of peppers. You banged the lid with the back of a knife, ran it under hot water and yet nothing gets it open. Out of anger and wanting to throw the jar across the room, one exclaims, "Mother Ass F, this is one fucking hard jar to open!"
Mother Ass F by Oahn August 13, 2010
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